138 entries under important topic. ×
| coal-and-ice(adjective, essential, fundamental, renowned) | |
| cool(adjective, pleasant, intense, powerful) | |
| crying(adjective, serious, essential, critical) | |
| determining(big, significant, substantial, serious) | |
| dire(adjective, severe, heavy, significant) | |
| earth-shaking(significant, serious, critical, historic) | |
| earth-shattering(significant, serious, critical, historic) | |
| elemental(adjective, body, material, significant) | |
| epoch-making | |
| far-reaching(big, significant, substantial, valuable) | |
| foundational(adjective, significant, original, essential) | |
| grass-roots(adjective, significant, original, essential) | |
| importunate(adjective, big, significant, substantial) | |
| instant(adjective, serious, essential, critical) | |
| intrinsic(adjective, significant, natural, original) | |
| life and death(expression, idiom, great, serious) | |
| life or death(expression, adjective, idiom, serious) | |
| major-league(great, serious) | |
| meat-and-potatoes(adjective, significant, original, essential) | |
| moving(adjective, intense, powerful, splendid) |
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| APA | Smart Define. (2015). vital thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/vital/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, vital thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>. |
| MLA | Smart Define. "vital thesaurus" 2 November 2015. Web. 26 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms> |